Re: adding more space to the existing server

On 7/31/19 5:21 PM, Julie Nishimura wrote:
> Hello postgres folks,
>
> We're tossing around the idea of upgrading a replicated postgres cluster
> (37 dbs) by breaking the replication, adding different size (larger) data
> disks to the hot-spare, then turning replication back on, letting it fully
> populate, then breaking replication, making the standby the primary,
> upgrade the disks on the other system, bring it back up, replicate
> backwards until fully replicated then failing-back to the original
> primary. Is this feasible?
>
> Our current size is 22 tb, and it is 97% full
> (PostgreSQL 9.6.2 on x86_64-pc-linux-gnu, compiled by gcc (Ubuntu
> 5.3.1-14ubuntu2) 5.3.1 20160413, 64-bit)
>
>
> Thank you for your suggestions

Can we correctly infer that you aren't using LVM?  (Or in there no more room
on the rack/controller for new drives?)

--
Angular momentum makes the world go 'round.